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๐‘-Laplacian Based Graph Neural Networks #28

Open 2nazero opened 1 week ago

2nazero commented 1 week ago

๐‘-Laplacian Based Graph Neural Networks

@inproceedings{fu2022p,
  title={$ p $-Laplacian Based Graph Neural Networks},
  author={Fu, Guoji and Zhao, Peilin and Bian, Yatao},
  booktitle={International Conference on Machine Learning},
  pages={6878--6917},
  year={2022},
  organization={PMLR}
}
2nazero commented 1 week ago

https://github.com/guoji-fu/pgnns

2nazero commented 1 week ago

p-Laplacian based GNN

๊ธฐ์กด GNN์€ ๋Œ€๋ถ€๋ถ„ ๋™์งˆ์ (homophilic) ๊ทธ๋ž˜ํ”„์— ์ตœ์ ํ™”๋˜์–ด ์žˆ์–ด, ์—ฐ๊ฒฐ๋œ ๋…ธ๋“œ๋“ค์ด ๋™์ผํ•œ ๋ผ๋ฒจ์„ ๊ฐ€์ง€๋Š” ๊ฒฝ์šฐ์—๋งŒ ์ž˜ ์ž‘๋™ํ•˜๋Š”๋ฐ, ์ด์งˆ์ (heterophilic) ๊ทธ๋ž˜ํ”„๋‚˜ ๋…ธ์ด์ฆˆ๊ฐ€ ๋งŽ์€ ๊ทธ๋ž˜ํ”„์—์„œ๋Š” ์„ฑ๋Šฅ์ด ๋–จ์–ด์ง„๋‹ค.

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์œ„ ์‚ฌ์ง„๊ณผ ๊ฐ™์ด, p ๊ฐ’์„ ํ†ตํ•ด ์ฃผํŒŒ์ˆ˜ ํ•„ํ„ฐ๋ง ๋ฐฉ์‹์„ ์กฐ์ •ํ•จ์œผ๋กœ์จ, ๋ผ๋ฒจ์ด ๋‹ค๋ฅด๋”๋ผ๋„ ์ค‘์š”ํ•œ ๊ด€๊ณ„๋ฅผ ์œ ์ง€ํ•˜๋Š” ๋…ธ๋“œ ๊ฐ„ ์—ฐ๊ฒฐ์„ ํ•™์Šตํ•  ์ˆ˜ ์žˆ๊ฒŒ ๋˜์–ด, ๋” ์ •๋ฐ€ํ•œ ์˜ˆ์ธก์ด ๊ฐ€๋Šฅํ•ด์ง€๋Š” ์›๋ฆฌ์ด๋‹ค.

์‹คํ—˜ ๊ฒฐ๊ณผ, pGNN์ด ๊ธฐ์กด์˜ GNN ๋ชจ๋ธ๋ณด๋‹ค ์ด์งˆ์ ์ธ ๊ทธ๋ž˜ํ”„์™€ ๋…ธ์ด์ฆˆ๊ฐ€ ๋งŽ์€ ๊ทธ๋ž˜ํ”„์—์„œ ๋” ์šฐ์ˆ˜ํ•œ ์„ฑ๋Šฅ์„ ๋ณด์—ฌ์ฃผ์—ˆ๋‹ค.